TABLE III.
Numbers and Percent of Each Pregnancy Outcome Affected With Trisomy 21 by Maternal Race–Ethnicity, Metropolitan Atlanta, 1996–2005
| Live Births | Fetal Deaths | Elective Terminations | Unknown Outcomesa | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | 95% CI | n | % | 95% CI | n | % | 95% CI | n | % | 95% CI | Total | |
| All pregnancies with defects ascertained by MACDP | 16,465 | 92.5 | 92.1–92.9 | 441 | 2.5 | 2.3–2.7 | 802 | 4.5 | 4.2–4.8 | 92 | 0.5 | 0.4–0.6 | 17,800 |
| Non-Hispanic White | 7,401 | 92.6 | 92.0–93.1 | 144 | 1.8 | 1.5–2.1 | 422 | 5.3 | 4.8–5.8 | 28 | 0.4 | 0.2–0.5 | 7,995 |
| Non-Hispanic Black | 5,872 | 92.8 | 92.2–93.4 | 199 | 3.1 | 2.7–3.6 | 229 | 3.6 | 3.2–4.1 | 26 | 0.4 | 0.3–0.6 | 6,326 |
| Hispanic | 2,330 | 94.2 | 93.2–95.1 | 67 | 2.7 | 2.1–3.4 | 68 | 2.7 | 2.2–3.5 | 8 | 0.3 | 0.2–0.6 | 2,473 |
| All pregnancies with trisomy 21 | 561 | 70.8 | 67.6–73.9 | 30 | 3.8 | 2.6–5.3 | 186 | 23.5 | 20.6–26.5 | 15 | 1.9 | 1.1–3.0 | 792 |
| Non-Hispanic White | 244 | 63.0 | 58.1–67.7 | 15 | 3.9 | 2.4–6.3 | 125 | 32.3 | 27.8–37.1 | 3 | 0.8 | 0.3–2.2 | 387 |
| Non-Hispanic Black | 189 | 77.8 | 72.1–82.5 | 11 | 4.5 | 2.6–7.9 | 37 | 15.2 | 11.3–20.3 | 6 | 2.5 | 1.1–5.3 | 243 |
| Hispanic | 94 | 89.5 | 82.2–94.0 | 4 | 3.8 | 1.5–9.4 | 6 | 5.7 | 2.7–11.9 | 1 | 1.0 | 0.2–5.1 | 105 |
MACDP, Metropolitan Atlanta Congenital Defects Program; CI, confidence interval.
a
Unknown outcomes include pregnancies diagnosed prenatally with a defect for which a delivery record was not found at the MACDP ascertainment sources.